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Fig. 4 | BMC Genomics

Fig. 4

From: Variation and evolution of polyadenylation profiles in sauropsid mitochondrial mRNAs as deduced from the high-throughput RNA sequencing

Fig. 4

Evolution of polyadenylation profiles in sauropsid mitochondrial mRNAs. Colored lineages show the presence of new polyadenylation sites as estimated by the parsimony criterion based on well-established phylogenetic relationships [56]. Dotted lineages show the occurrence of new polyadenylation sites possibly linked with mtDNA gene rearrangements. New polyadenylation sites are considered in this figure when the number of polyA-containing reads that support them is more than a half of that supporting the polyadenylation sites found for the human. New polyadenylation sites for the ND1 mRNA have two states, which existed without gene rearrangement in the IQM tRNA gene cluster (state 1) and with the IQM-to-QIM gene rearrangement (state 2). New polyadenylation sites for the CYTB mRNA also have two states, which existed without gene rearrangement around the CYTB gene (state 1) and with a rearrangement of the tRNAPhe gene near the CYTB gene (state 2)

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